摘要: //添加 TIdIPWatch 控件: IdIPWatch1 procedure TForm1.Button1Click(Sender: TObject); var ip: string; begin ip := IdIPWatch1.LocalIP; ShowMessage(ip); end; 阅读全文
posted @ 2009-03-08 22:45 万一 阅读(3071) 评论(5) 推荐(0)
摘要: uses WinInet; procedure TForm1.Button1Click(Sender: TObject); begin if InternetGetConnectedState(nil, 0) then ShowMessage('已连接'); end; 阅读全文
posted @ 2009-03-08 22:39 万一 阅读(8744) 评论(17) 推荐(0)